Equipment for dwelling or working underwater; Means for searching for underwater objects (composition of chemical substances for use in breathing apparatus A62D9/00; swimming aids or equipment A63B31/00 - A63B35/00; submarines B63G8/00)

Child Classifications

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• B63C 11/02 Divers' equipment
• B63C 11/34 Diving chambers with mechanical link, e.g. cable, to a base (manipulators B25J; diving chambers without mechanical link to a base B63G8/00; caissons adapted to laying foundations E02D23/00 - E02D27/00)
• B63C 11/46 Divers' sleds or like craft, i.e. craft on which man in diving-suit rides
• B63C 11/48 Means for searching for underwater objects (means for indicating the location of sunken objects B63C7/26; locating by use of the reflection or reradiation of radio or other waves G01S )
• B63C 11/52 Tools specially adapted for working underwater, not otherwise provided for
• B63C 2011/005